Where to learn texture painting?
Xrg have made a very nice tutorial serie about texture painting. However it's not focused on PBR (for that you probably need to look at Substance Painter).
https://www.youtube.com/watch?v=jR7Axe2hbz8&amp;list=PLNHJ5gduZOiWXtbeiZZi3q082bclOHQY4
and
https://www.youtube.com/watch?v=L7ALfRw6I5I